公开(公告)号：US3916999A

公开(公告)日：1975-11-04

申请号：US53500074

申请日：1974-12-20

Applicant: DRESSER IND

Inventor： ELLIS GARY DALE ,  FOSTER JOE DRAHN

IPC: E21B33/12 ,  E21B23/00 ,  E21B43/24 ,  E21B43/26 ,  E21B43/00

CPC classification number: E21B43/2405 ,  E21B23/00 ,  Y10S174/08

Abstract: Method and apparatus for retaining and protecting various components of well tools such as packers involves the use of a heat-shrinkable elastomeric sleeve placed over the well tool and heated to radially shrink it into relatively snug fitting relationship over the well tool parts.

Abstract translation: 用于保持和保护诸如打包器的井具的各种部件的方法和装置包括使用放置在井工具上的热收缩弹性套筒，并将其加热以将其径向缩小成在井具部件上相对贴合的关系。